:root {
  --bg: #0b0d12;
  --card: #121622;
  --text: #e6e8ef;
  --muted: #9aa0b4;
  --accent: #6cf2c2;
  --accent-2: #6ca0f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #16203a, transparent),
              radial-gradient(800px 400px at 90% 10%, #12302a, transparent),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 24px 72px;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(108,242,194,0.12);
  color: var(--accent);
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

header p {
  max-width: 640px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: 1.1rem;
}

.cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.button {
  padding: 14px 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0d12;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 10px 30px rgba(108,242,194,0.25);
}

.button.secondary {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.15);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(108,242,194,0.35);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border-radius: 20px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 32px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

footer span {
  color: var(--text);
  font-weight: 500;
}

@media (max-width: 768px) {
  header {
    padding: 64px 16px 48px;
  }

  main {
    padding: 0 16px 64px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
  }

  .card {
    padding: 20px;
  }
}